TDA749213TR 查看數據表（PDF） - STMicroelectronics

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TDA749213TR

50 W + 50 W dual BTL class-D amplifier

STMicroelectronics 

Characterization curves

TDA7492

4.3

Characterizations for 4- loads

Figure 19. Output power vs. supply voltage

Test conditions:

Vcc = 15 - 22 V,

RL = 4 Ω,

Rosc = 39 kΩ, Cosc = 100 nF,

f = 1 kHz,

Gv = 20 dB,

Tamb = 25r C

Specification limit:

Typical:

Vs = 20 V, RL = 4 Ω,

Po = 47 W at THD = 10%,

Po = 38 W at THD = 1%

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10% THD

1% THD

       

9FF9

Figure 20. THD vs. output power (1 kHz)

Test conditions:

Vcc = 20 V,

RL = 4 Ω,

Rosc = 39 kΩ, Cosc = 100 nF,

f = 1 kHz,

Gv = 20 dB,

Tamb = 25r C

10

5

THD + N

%

2

1

0.5

0.2

Specification limit:

Typical:

Po = 38 W at THD = 1%

0.1

0.05

0.02

0.01

100m

200m

500m

1

2

5

10

20

50

Output power (W)

18/32

DocID014926 Rev 6

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